With cold weather coming, vehicles often suffer, the most general case is to have difficulties starting your Volkswagen Jetta in the morning with very low temperatures. Generally speaking this is related to problems recharging the battery of your Volkswagen Jetta . There are several factors that can show you why your battery does not recharge properly anymore, and today we will try to help you to solve this problem that can prevent you from using your motor vehicle. To achieve this, first we will show you how recharging your car battery functions, then the different problems of recharging a Volkswagen Jetta, and finally how to recharge an empty car battery.
How does recharging the battery of a Volkswagen Jetta function?
Before we detail the different problems of recharging the battery on a Volkswagen Jetta , we will show you to you how its recharging system functions so that you can discover the problems you are struggling with. A motor vehicle battery functions like a phone battery, it will store energy to start your Volkswagen Jetta , turn on your headlights, play music, lower your power windows… Nevertheless all these actions will consume energy and it may deplete the energy reserve that your battery can store. To overcome this problem, the engineers have designed a element called the alternator , this element will use the energy produced by the engine of your Volkswagen Jetta to produce energy thanks to a copper coil and a magnet. This energy will recharge the battery of your motor vehicle . Nevertheless, consider that this process can only work when your car is running, using electrical components of your motor vehicle when it is stopped will decrease the energy reserve of your motor vehicle. It is considered that a battery of a xxx has a life span of 3 to 5 years.
Problems recharging a Volkswagen Jetta’s battery
We will now describe the different battery charging problems on a Volkswagen Jetta you might be victim of. If your battery is not recharging because there is necessarily a problem in your electrical set up, we will now see the different situations.
Battery charging problem on Volkswagen Jetta: My battery is discharging even if I am recharging it with a particular charger
In this first case, it is quite possible that your alternator is dead , in truth, if you manage to recharge your battery with a charger and your Volkswagen Jetta to start, the problem obviously originates from your alternator which should not be able to produce any more current.
Battery charging problem on Volkswagen Jetta: My motor vehicle shuts off and does not start even if I have charged the battery
If you have recharged your battery and you have been able to start your Volkswagen Jetta but it switches off while you are driving and then does not start, the trouble with recharging the battery of your Volkswagen Jetta is that your battery no longer holds the charge .
Battery charging problem on Volkswagen Jetta: My battery is discharged although it is new
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If you’ve just bought a battery and it discharges while you’re driving, the problem most probably originates from your alternator. It cannot result from your battery, which is new and therefore holds the charge. The second opportunity is that you have a ground somewhere in your electrical system.
How to solve the problem of battery charging on Volkswagen Jetta?
We will now give you the solutions according to the problem you are struggling with. Here are the different problems and their solutions:
- Defective alternator: You can try with basic mechanics to check it with a pressure gauge to discover if it’s producing power. If it doesn’t, replacing it is the best solution, depending on your motor you will pay a few hundred euros. This fix is feasible in the event your alternator is accessible.
- Battery that no longer holds the charge: In such a case, the purchase of a new battery is the only realistic solution. In fact, if you have already recharged it but it is still empty because it is good to be replaced, count between 60 and 100 euros depending on your engine.
- Ground in the electrical circuit: If you cannot start your Volkswagen Jetta but your alternator and battery are in good condition, it is possible that you have a ground on your wiring harness and that you lose energy, a check by a motor vehicle electrician is in this case necessary.
How to recharge an empty battery of a Volkswagen Jetta
Finally, to recharge the empty battery of a Volkswagen Jetta there are only few solutions, using a battery charger is the most efficient solution, you can locate some for 50 to 100 euros at vendors like Oscaro. In any other case you can use cables that will only provide the energy needed to begin.
If perhaps you have any additional questions about the Volkswagen Jetta, do not hesitate to consult our Volkswagen Jetta category.
